#!/usr/bin/ruby

require 'webrick'
include WEBrick
s = HTTPServer.new(:Port => 2000)
class HelloServlet < HTTPServlet::AbstractServlet
  def do_GET(req,res)
    res['Content-Type'] = "text/html"
    res.body = %{
      <html><body>
      <p>Hello.  #{req['User-Agent']}</p>
      <p>Parameters: #{req.query.keys.join(', ')}</p>
      </body></html>
    }
  end # def do_GET(req,res)
end # class Hello < HTTPServlet::ABstractServlet

s.mount("/", HelloServlet)
trap("INT"){s.shutdown}
s.start

require 'webrick'

class Configureable < Simple
  def initialize(server, color, size)
    super(server)
    @color = color
    @size = size
  end

  def do_stuff_with(request)
    content = "<p style=\"color: #{@color}; font-size: #{@size}\">some text"
    return 200, "text/html", content
  end
end

class Simple < WEBrick::HTTPServlet::AbstractServlet
  def do_stuff_with(request)
    return 200, "text/plain", "you got a page"
  end
  def do_GET(request, response)
    status, content_type, body = do_stuff_with(request)
    response.status = status
    response['Content-Type'] = content_type
    response.body = body
  end
end

if $0 == __FILE__ then
  server = WEBrick::HTTPServer.new(:Port => 8000)
  # http://localhost:8000/
  server.mount "/", Simple
  # http://localhost:8000/subdir
  server.mount "/subdir", Configureable, "red", "2em"
  trap "INT" do server.shutdown end
  server.start
end